}
}
===============================================
After run the above code , we can get a 4-bytes file!
Now we use bytes arrarys to restore the integer777678,
I know use rf.readInt() can restore the integer 777687 at easy,this time ,suppose I can get a byte arrary from the 4-bytes file ok.txt
Now retore it with the following code:
===============================================
import java.io.*;

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